[ 3156.494062][T20141] gre: GRE over IPv4 demultiplexor driver
[ 3157.671803][T20164] ip_gre: GRE over IPv4 tunneling driver
[ 3172.465547][T20417] ping (20417) used greatest stack depth: 23840 bytes left
[ 3193.487717][T20741] ip6_gre: GRE over IPv6 tunneling driver
[ 3205.209177][T20941] ping (20941) used greatest stack depth: 22656 bytes left
[ 3217.507381][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3221.412366][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3224.675325][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3228.323328][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!